X-23 actually only has adamantium plated claws sheathed in she forearm and also in she feet. She escaped the facility wherein she to be being organized at prior to they could do a full coating that adamantium through her skeleton structure choose Wolverine. Please check out one shot comic X-23: Target X.
Your inquiry is daunting to price in one word, since there room several components at play here, but, the brief answer is yes.
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First, X-23, as she is shown in the comics, does NOT have an adamantium skeleton. Just her claws to be coated. So, obviously, this have to not impede her growth in a significant way. It"s possible that a movie variation of her can not have this very same origin and instead have a full adamantium skelton, however, this would be one unwise move for a basic reason... Actual children grow up. If your kid actor can"t grow due to the fact that you"ve chose her entire skeleton is fused with adamantium, then you"ve gained a trouble for any type of sequels.
Secondly, we must think about what counts as farming up. Lot of of civilization have some kind of problem that limits their physics skeletal development, yet we still speak they "grew up", because the remainder of their body generally does reach part level of maturity. So, if X-23"s skeleton became coated with adamantium, chances are the yes, under most definitions of the term, she would certainly grow-up.
The just remaining things we need to consider are she healing aspect stunting her aging procedure in general, nevertheless of adamantium, and also whether, hypothetically, it would stunt she physical development if she did have actually an adamantium skeleton. The answer to the first question is probably no, she appears to be aging in ~ a normal rate up till adulthood, as Logan did. When she does reach physical maturity, it"s likely she will remain young because that a lengthy time, just as Logan did. But, yes, adamantium is the strongest substance known to man and it is most likely that her skeletal structure, if it to be infused with adamantium at a young age, would certainly remain little and unable to flourish more.
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However, she would certainly still practically certainly experience various other symptoms of maturity (although, adamantium is mildly toxic in canon in large amounts, and it"s possible that at together a young age, also with her healing factor, a totality skeletal covering can raise the level that toxic metals in her body come a point where it interferes hormonally together well).